Complex scene-based human body key point detection system and method

Abstract

The invention discloses a complex scene-based human body key point detection system and method. The method comprises the following steps of: inputting monitor video information to obtain a single-frame static map and a multi-frame optical flow graph; extracting features of the single-frame static map through a convolution operation so as to obtain a feature map, and in order to solve influences, on personnel target detection, of interference targets under complex scenes, judging a practical confidence coefficient and a preset confidence coefficient of the feature map by adoption of a personneltarget detection algorithm so as to obtain a discretized personnel target surrounding box; and carrying out optical flow overlapping on the multi-frame optical flow graph to form a two-dimensional vector field; extracting features in the discretized personnel target surrounding box to obtain a feature map, obtaining key points and association degrees of parts, generating a part confidence map foreach part of a human body by utilizing a predictor, and accurately detecting human body key points through the part confidence map and the two-dimensional vector field. The system and method are usedfor human body key point detection under complex scenes so as to realize accurate detection of personnel target key points.

Description

technical field [0001] The invention relates to a human body key point detection technology, in particular to a human body key point detection system and method based on complex scenes. Background technique [0002] At present, my country's "Skynet" project has begun to take shape. With the development of advanced technologies such as deep learning and intelligent video behavior analysis, how to effectively use surveillance video has become the focus of video data analysis. [0003] Computer video surveillance is the use of computer vision and image processing methods to perform target detection, target classification, target tracking, and behavior recognition of personnel targets in the surveillance scene on image sequences. Among them, human body behavior recognition is a research hotspot that has been widely concerned in recent years, and human body key point detection is the basis and core key technology of intelligent video behavior recognition. Through the analysis an...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a human body key point detection system and method based on complex scenes. Human key point detection in the scene, positioning, identification and tracking of human targets in dynamic scenes, to achieve accurate detection of key points of all human targets in the image

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